5a23

SdsA sulfatase triclinic form

Method: X-RAY DIFFRACTION

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1. Protein Identity and Related Structures Protein Identity & Related Structures

SDS HYDROLASE SDSA1

PSEUDOMONAS AERUGINOSA

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	ZINC ION × 4	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	ZINC ION × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q9I5I9_PSEAE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–658； UniProt 1–658 Author chain B； PDBConstruct 1–658； UniProt 1–658 Author chain C； PDBConstruct 1–658； UniProt 1–658 Author chain D； PDBConstruct 1–658； UniProt 1–658

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	5a23
Deposition date deposition_date	2015-05-11
Structure title title	SdsA sulfatase triclinic form
Keywords keywords	HYDROLASE, SDSA SULFATASE, POLYMORPHS; HYDROLASE
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

5a23__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

5a23__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5a23__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	32.37 Å
Rg (electron density)	31.43 Å
Total Rg	32.16 Å
Atom count	9816
Residues	1256
Excluded volume	173260 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5a23__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`5a23__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Description description	SDS HYDROLASE SDSA1
Molecular weight formula_weight	72673.0 kDa
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	19632

MSRLLALLALAPLLAGAAETTAPKPPSAFTVEAQRRVEAELPFADRADFERADRGLIRRPERLLIRNPDGSVAWQLGGYDFLLDGKPRDSINPSLQRQALLNLKYGLFEVAEGIYQVRGFDLANITFIRGDSGWIVVDTLTTPATARAAYELVSRELGERPIRTVIYSHAHADHFGGVRGLVEPQQVASGAVQIIAPAGFMEAAIKENVLAGNAMMRRATYQYGTQLPKGPQGQVDMAIGKGLARGPLSLLAPTRLIEGEGEDLVLDGVPFTFQNTPGTESPAEMNIWLPRQKALLMAENVVGTLHNLYTLRGAEVRDALGWSKYINQALHRFGRQAEVMFAVHNWPRWGNAEIVEVLEKQRDLYGYLHDQTLHLANQGVTIGQVHNRLRLPPSLDQEWYDRGYHGSVSHNARAVLNRYLGYYDGNPATLDPLSPEDSAGRYVEYMGGAERLLEQARASYARGEYRWVVEVVNRLVFAEPDNRAARELQADALEQLGYQAENAGWRNSYLSAAYELRHGVPRDQPTMKAGSADALAAMDTGLLFDYLGVRLDAGAAEGKALSINLRLPDIGENYLLELKNSHLNNLRGVQSEDAGQTVSIDRADLNRLLLKEVSAVRLVFEGKLKSSGNPLLLGQLFGMLGDFDFWFDIVTPAAKSEG

Source Source

Source organism organism	PSEUDOMONAS AERUGINOSA
NCBI taxonomy ID ncbi_taxonomy_id	287
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	8

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6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d5a23a1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamily	d.157.1 — Metallo-hydrolase/oxidoreductase
Family Family family	d.157.1.13 — Alkylsulfatase-like

Domain ID domain_id	d5a23a2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.106 — SCP-like
Superfamily Superfamily superfamily	d.106.1 — SCP-like
Family Family family	d.106.1.3 — Alkylsulfatase C-terminal domain-like

Domain ID domain_id	d5a23b1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamily	d.157.1 — Metallo-hydrolase/oxidoreductase
Family Family family	d.157.1.13 — Alkylsulfatase-like

Domain ID domain_id	d5a23b2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.106 — SCP-like
Superfamily Superfamily superfamily	d.106.1 — SCP-like
Family Family family	d.106.1.3 — Alkylsulfatase C-terminal domain-like

Domain ID domain_id	d5a23c1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamily	d.157.1 — Metallo-hydrolase/oxidoreductase
Family Family family	d.157.1.13 — Alkylsulfatase-like

Domain ID domain_id	d5a23c2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.106 — SCP-like
Superfamily Superfamily superfamily	d.106.1 — SCP-like
Family Family family	d.106.1.3 — Alkylsulfatase C-terminal domain-like

Domain ID domain_id	d5a23d1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamily	d.157.1 — Metallo-hydrolase/oxidoreductase
Family Family family	d.157.1.13 — Alkylsulfatase-like

Domain ID domain_id	d5a23d2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.106 — SCP-like
Superfamily Superfamily superfamily	d.106.1 — SCP-like
Family Family family	d.106.1.3 — Alkylsulfatase C-terminal domain-like

CATH v4.4 (12 domains)

Domain ID domain_id	5a23A01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily	30 — Metallo-beta-lactamase domain

Domain ID domain_id	5a23A02
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	880 — Alkyl sulfatase, dimerisation domain

Domain ID domain_id	5a23A03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1050 — Nonspecific Lipid-transfer Protein; Chain A
Homologous superfamily homologous superfamily	10 — SCP2 sterol-binding domain

Domain ID domain_id	5a23B01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily	30 — Metallo-beta-lactamase domain

Domain ID domain_id	5a23B02
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	880 — Alkyl sulfatase, dimerisation domain

Domain ID domain_id	5a23B03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1050 — Nonspecific Lipid-transfer Protein; Chain A
Homologous superfamily homologous superfamily	10 — SCP2 sterol-binding domain

Domain ID domain_id	5a23C01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily	30 — Metallo-beta-lactamase domain

Domain ID domain_id	5a23C02
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	880 — Alkyl sulfatase, dimerisation domain

Domain ID domain_id	5a23C03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1050 — Nonspecific Lipid-transfer Protein; Chain A
Homologous superfamily homologous superfamily	10 — SCP2 sterol-binding domain

Domain ID domain_id	5a23D01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily	30 — Metallo-beta-lactamase domain

Domain ID domain_id	5a23D02
Class class	1 — Mainly Alpha
Architecture architecture	25 — Alpha Horseshoe
Topology topology	40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily	880 — Alkyl sulfatase, dimerisation domain

Domain ID domain_id	5a23D03
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1050 — Nonspecific Lipid-transfer Protein; Chain A
Homologous superfamily homologous superfamily	10 — SCP2 sterol-binding domain

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Unit-cell length a length_a	86.900 Å
Unit-cell length b length_b	86.800 Å
Unit-cell length c length_c	129.030 Å
Unit-cell angle α angle_alpha	107.59 °
Unit-cell angle β angle_beta	102.96 °
Unit-cell angle γ angle_gamma	95.59 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	2.410 Å
Low-resolution limit resolution_low	118.770 Å
R factor r_factor	0.2562
R_work r_work	0.2535
R_free r_free	0.3070

SdsA sulfatase triclinic form

1. Protein Identity and Related Structures Protein Identity & Related Structures

SDS HYDROLASE SDSA1

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

5a23__assembly_1__model_1

5a23__assembly_1__model_1 | I(q)

5a23__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. Citations (1)

SdsA sulfatase triclinic form

1. Protein Identity and Related Structures Protein Identity & Related Structures

SDS HYDROLASE SDSA1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

5a23__assembly_1__model_1

5a23__assembly_1__model_1 | I(q)

5a23__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. Citations (1)